# λανθάνω
## Ancient Greek
### Alternative forms

* λήθω (lḗthō) — especially in compounds
* λᾱ́θω (lā́thō) — Doric

### Etymology

From Proto-Hellenic *lantʰánō, from Proto-Indo-European *lh₂-n-dʰ-, nasal infix present of *leh₂-dʰ-, dental extension of *leh₂- (“to be hidden, be covered”).

### Pronunciation

* IPA: /lan.tʰá.nɔː/ → /lanˈθa.no/ → /lanˈθa.no/
* (5th BCE Attic) IPA: /lan.tʰá.nɔː/
* (1st CE Egyptian) IPA: /lanˈtʰa.no/
* (4th CE Koine) IPA: /lanˈθa.no/
* (10th CE Byzantine) IPA: /lanˈθa.no/
* (15th CE Constantinopolitan) IPA: /lanˈθa.no/

### Verb

λᾰνθᾰ́νω • (lănthắnō)
* (active voice) to escape notice
** (transitive) escape a person's notice
*** 385 BCE – 380 BCE, Plato, Symposium 219a:ἀλλ’, ὦ μακάριε, ἄμεινον σκόπει, μή σε λανθάνω οὐδὲν ὤν.all’, ô makárie, ámeinon skópei, mḗ se lanthánō oudèn ṓn.But look again, sweet friend, and see whether you are not deceived in me.
** (transitive) to do [with participle or (rarely) infinitive ‘something’] without being noticed [with accusative ‘by someone’]
** (intransitive) to do [with participle ‘something’] without knowing it
*** 460 BCE – 420 BCE, Herodotus, Histories 1.44:ὁ Κροῖσος […] ἐκάλεε […] Δία […] ἐπίστιον, διότι οἰκίοισι ὑποδεξάμενος τὸν ξεῖνον φονέα τοῦ παιδὸς ἐλάνθανε βόσκωνho Kroîsos […] ekálee […] Día […] epístion, dióti oikíoisi hupodexámenos tòn xeînon phonéa toû paidòs elánthane bóskōnCroesus called on Zeus of the Hearth, because he received the guest into his house and, without knowing it, had been feeding the murderer of his son
* (active voice) to cause to forget [with genitive ‘something, someone’]
** (in compounds, ἐκληθάνω (eklēthánō), ἐπιλήθω (epilḗthō), ἐπιλανθάνομαι (epilanthánomai))
** (Epic reduplicated aorist, λέλᾰθον)
*** 800 BCE – 600 BCE, Homer, Iliad 15.59–61:ὅφρα […] Ἕκτορα […] ὀτρύνῃσι μάχην ἐς Φοῖβος Ἀπόλλων αὖτις δ’ ἐμπνεύσῃσι μένος, λελάθῃ δ' ὀδυνάων αἳ νῦν μιν τείρουσι κατὰ φρέναςhóphra […] Héktora […] otrúnēisi mákhēn es Phoîbos Apóllōn aûtis d’ empneúsēisi ménos, leláthēi d' odunáōn haì nûn min teírousi katà phrénasso that Phoebus Apollo can urge Hector to battle, breathe strength back into him, and make him forget the aches that now distress him in his mind
* (middle voice) to forget [with genitive ‘something, someone’]
** 6th century BC, Theognis of Megara, Elegies 1–2:Ὦ ἄνα, Λητοῦς υἱέ, Διὸς τέκος, οὔποτε σεῖο λήσομαι ἀρχόμενος οὐδ' ἀποπαυόμενος […] Ô ána, Lētoûs huié, Diòs tékos, oúpote seîo lḗsomai arkhómenos oud' apopauómenos […]O lord, Leto's son, Zeus's child [Apollo], I will never forget you in starting or ending [my song] […]

#### Related terms

* ἄλαστος (álastos)
* ἀλήθεια (alḗtheia)
* ἀληθεύω (alētheúō)
* ἀληθής (alēthḗs)
* ἐπαληθεύω (epalētheúō)
* ἐπιλανθάνομαι (epilanthánomai)
* ἐπίληθος (epílēthos)
* ἐπιλήθω (epilḗthō)
* λαθικηδής (lathikēdḗs)
* λαθίπονος (lathíponos)
* λαθιπορφυρίς (lathiporphurís)
* λαθίφρων (lathíphrōn)
* λάθρᾳ (láthrāi)
* λαθραῖος (lathraîos)
* λάθριος (láthrios)
* λήθαιος (lḗthaios)
* ληθαργέω (lēthargéō)
* ληθαργικός (lēthargikós)
* λήθαργος (lḗthargos)
* ληθεδανός (lēthedanós)
* λήθη (lḗthē)
* λῆθος (lêthos)
* συναληθεύω (sunalētheúō)
* φιλαλήθης (philalḗthēs)

#### Descendants

* Arabic: لنثانوم
* Dutch: lantaan
* English: lanthanum
* French: lanthane
* German: Lanthan
* Greek: λανθάνιο (lanthánio)
* Hebrew: לנתן
* Italian: lantanio
* Japanese: ランタン
* Polish: lantan
* Portuguese: lantânio
* Romanian: lantan
* Russian: лантан (lantan)
* Spanish: lantano

### References

* ↑ Beekes, Robert S. P. (2010) “λανθάνω”, in Etymological Dictionary of Greek (Leiden Indo-European Etymological Dictionary Series; 10), with the assistance of Lucien van Beek, Leiden, Boston: Brill, →ISBN, page 831

### Further reading

* “λανθάνω”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press
* “λανθάνω”, in Liddell & Scott (1889) An Intermediate Greek–English Lexicon, New York: Harper & Brothers
* “λανθάνω”, in Autenrieth, Georg (1891) A Homeric Dictionary for Schools and Colleges, New York: Harper and Brothers
* λανθάνω in Bailly, Anatole (1935) Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
* λανθάνω in Cunliffe, Richard J. (1924) A Lexicon of the Homeric Dialect: Expanded Edition, Norman: University of Oklahoma Press, published 1963
* G2990 in Strong, James (1979) Strong’s Exhaustive Concordance to the Bible

## Greek
### Etymology

Borrowed from Ancient Greek λανθάνω (lanthánō); doublet of λαθαίνω (lathaíno).

### Verb

λανθάνω • (lantháno) (past —, ppp λανθασμένος) found only in the present tense
* to be latent, be dormant, be underlying

#### Conjugation

This verb needs an inflection-table template.

#### Related terms

* λανθάνων (lanthánon, “latent”)